public class Entier implements java.io.Serializable {

	private static final long serialVersionUID = 1L;

	Integer data;

	public Entier() {
		data = new Integer(0);
	}

	public void incrementer() {
		data++;
	}

	public void decrementer() {
		data--;
	}

	public void raz() {
		data = 0;
	}

	public Integer read() {
		return data;
	}

}